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Finding the Fourth Proportional to 454,011.60, 680,780.92 and 169,468.15

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Solution

The fourth proportional to 454,011.60, 680,780.92 and 169,468.15 is: 254,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,011.60 : 680,780.92 = 169,468.15 : x
  2. Step 2: Convert to fraction form
    454,011.60/680,780.92 = 169,468.15/x
  3. Step 3: Cross multiply
    454,011.60x = 680,780.92 × 169,468.15
  4. Step 4: Simplify right side
    454,011.60x = 115,370,683,067.70
  5. Step 5: Solve for x
    x = 115,370,683,067.70/454,011.60
  6. Step 6: Final answer
    x = 254,113.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.